Box-making machine



March 26, 1929. PARKS BOX MAKING MACHINE Filed Sept. 15. 1926 5 Sheets-Sheet INVENTOR 640v Pq/r/nr q) BY LYQKMW ATTORNEY March 26, 1929. v PARKS 1,706,586

BOX MAKING MACHINE Filed Sept. 15, 1926 5 Sheets-Sheet 2 ATTORNEY March 26, 1929. G. PARKS BOX MAKING MACHINE Filed Sept. 15, 1926 5 Sheets-Sheet lllllllllllllllllllllllllll lk INVENTOR PARK;

B.Y we

ATTORNEY March 26, 1929. G. PARKS BOX MAKING MACHINE Filed Sept. 15, 1926 5 Sheets-Sheet 4 lNVENTOR GLN 2 /70/115 ATTORNEY March 26, 1929. v G. PARKS BOX MAKING MACHINE 5 Sheets-Sheet Filed Sept. 15,, 1926 INVENTOR GLEN P/mms BY 4/ ML flormn Patented Mar. 26,1929.

UNITED TA ENT oFFicE.

GLENPARKS, F SEATTLE, WASHINGTON.

' BOX-MAKING MACHINE.

This invention relates to improvements in box making machines and more particularly to machines designed for assembling and nailing together the pieces making up the.

' machine including a frame 7 structure and hoppers, or chutes, in which the pieces for forming the ends, bottom and side walls .of

' the boxes maybe stacked, means whereby these pieces may be delivered 1nto the machine in assembled relation, means whereby the assembled parts may be nailed together and means for delivering the finished boxes from the machine. I

A still further object is to so constructthe various parts of the machine that they ma be adjusted for the making of boxes-of di ferent size. 1

Other objects reside in the various details of construction and combination, of parts embodied in the machine and in their mode of operation.

In accomplishing these and other objects of the invention, .1 have provided the improved details of construction, the preferred forms of which are illustrated in the accompanying drawings, wherein Figure 1 is a side elevation of a box making machine constructed in accordance with. details of the present invention.

Figure 2 is the right. end elevation of the machine as shown in Figure 1.

Figure 8 is a vertical section taken substantially on the line 3-'3 in Figure 2.

Figure 4 is a vertical section taken transversely of themachine, substantially on the line 4 -4 in Figure 3.

Figure 5 is a sectional viewlongitudinally of one of the nail drums showing also the nail picker and means for delivering the nails to the picker.

v Figure 6 isa top view of the nail delivery means, the nail picker and tube whereby the nails are deliveredfrom the picker to the nail drivin g mechanism. I

Figure 7 is a cross sectional viewthrough the nail drum. a

ect of thein ven- Figi'ire 8 an end view of the same mechanism and a vertical, sectional view of the nail holder. I Figure 9 is a horizontal section on line 9-9 n Figure 8 showing the yield'able nail centering means and guide.

Figure 10 is a detail view of one of the stops on the head block whichv delivers the blanks to the nailing mechanism. r I l Figurell is aview illustrating the method of telescoping sections of the transverse shafts together to permit adjustment of the frame for boxes of different size. Referring more in detail to the several views of the drawings I All the mechanism of the machine is mounted. upon a base or bed plate 1 provided about its periphery with a downwardly projecting flange 2 whereby the plate is held in spaced relation above the floor or foundation on which it is supported, and in this way,

provides space-beneath it for certain adjusting mechanism that presently will be de scribed. Mounted on the base, at opposite sides, are the side frames 3 and 4 ofthe machineand these are supported vertically and in pa allel relation and are adapted to be i spaced apart various distances, according to the length. of the boxes to be made inthe machine.

Fixed to. the opposite side frames, as best shown in Figure 2, are downwardly inclined chutes, or hoppers, 5. and 5*" in which the blanks, or pieces, designated at E, which are to form the opposite ends of the boxes, are stacked on edge in such manner that they will feed by gravity downwardly along the chutes into position for advancement into the machine. At their lower,or inner, ends, along their lower edges, the chutes 5 and 5 are equipped withupwardly projecting flanges 6 which serve as abutment-s against which the lower edges of the adjacent end pieces E will engage, and fixed to the frames 3 and 4 vertically above these flanges 6,-are inwardly upper edges of the pieces E engage. These two flanges 6 and 7 for each of the hoppers serve to support the two pieces, which are to form the ends of a box, in vertical, parallel relation and properly in position to be en-v gagedby a reciprocating head block, pres ently described, which forwardsthem into the assembling and nailing mechanism.

The pieces designated atv S which are to form one of the side walls of the boxes are projecting, flanged guides 7 against which the first stacked horizontally on a guide chute o' fixed to the side frame 1-, so as to extend horizontally therefrom, as best shown in Figure 2, and the hunch is then pushed, manually, through a rectangular opening 9 in the frame 4 onto a pair of supporting rollers 1010. The inward movement of the stack, or bunch, is limited by being brought against a pair of vertical guides 11 of channel iron form fixed to the frame 3 and between which the stack may then be raised into position for advancement of the pieces S with the end pieces E, into the nailing mechanism.

The rollers 10-10 which support the stack of pieces S after the stack is moved into the machine, are horizontally mounted and support the stack at opposite ends. Each roller has trunnions at its ends mounted between the upper ends of the arms 12 of paired bell cranks 13 fixed on shafts 1a which, at their ends, are pivotally mounted by brackets 14 fixed to the side frames 3 and f. The bell cranks are adapted-to swing from andtoward each other in vertical planes and the rollers are urged upwardly at all times thereby, by means of a pair of coiled springs 15, which connect at their opposite ends with the lever arms 16 of the bell cranks at opposite sides of the frame. This provides for an automatic upward feed of the stack of pieces S so that whenever the top blank, or piece, is advanced into the nailing mechanism, the stack is moved uwardly to position the next piece in position for advancement. Upward travel of the stack is limited and the top piece properly positioned by abutment of its ends against the flanged inner ends 6 of the chutes 5 and 5. WVhenever a stack of pieces S, carried on the rollers 10-10", becomes exhausted, the bell cranks 13-13"-may be swung downwardly below the horizontal level of the chute, or guide, 8 and a new stack is moved into the machine and will be lifted into position by the rollers when the bellcranks are released. As a matter of convenience for operating the bell cranks, the outer ones are equipped with handles l'f as shown in Figure 3.

The pieces which are to form the other side wall of the box are designated at S. These are stacked in a hopper formed by vertical guides 18-13 fixed to the inner walls of the side frames 3 and 1, as shown in Figures 2 and 3. The stack is supported at its opposite ends upon the guide flanges 7i' and is disposed vertically above the stack of pieces S which are to form the other side of the box. There is a space, as at 19, between the lower ends of the guides 18 and the supporting flanges 77 for the passage, or advancen'ient, of'the pieces S one at a time into the nailing mechanism.

The pieces B which are to form the bottom walls of the boxes are stacked on edge in downwardly inclined guideways 21 mounted on top of the side frames 3 and 4, The stack of-pieces'will feeddownwardly by gravity to advance the ends of the lower cnd piece B against guides, or stops, 22 and there is a slight space, as at 23, between the stops and ends of guideways to permit the adjacent piece Bto be fed downwardly between them into the nailing mechanism.

The means employed for advancing pieces E, S and S from their respective supply stacks into the assembling and nailing mechanism consists of a head block 25 that is reciprocally movable on a pair of horizontal, parallel shafts 2626 fixed rigidly at their outer ends in bearings 27 formed in a cross piece ZS that adjustably joins the side frames 3 and tacross one end of the frame, with their inner ends extending between the two supply stacks of pieces E and pieces S and S. The headblock has plates 2929 fixed adj ustably by bolts 30t0 its opposite ends and-each of these plates has a pair of inwardly yieldable stops 311nounted thereon which are adapted, when the head block moves inwardly, to engage with the outer edges of the adjacent end pieces E to cause the latter to be advanced therewith into the nailing mechanism. On outward movement of the head block, the

stops yield inwardly when engaged with the stacks but snap out when they are disengaged therefrom, so as to be in proper position for engaging'the next pieces when the head again moves inwardly. These steps, as shown in Figure 10, are limited in their outward movement by suitable stops as at 32, and-are urged outwardly by coiled springs 3d pressing up wardly thereagainst.

Likewise plates 3535 are fixed adjustably by bolts 36 to the upper and lower edges of the head block and these are provided at their outer edges with yieldable steps 31 for engaging the edges of the adjacent pieces SS to advance them into the nailing mechanism simultaneously with the end pieces E-- The means whereby thehead block 25 is reeiprocated comprises a link 40 that is pivotally connected, at its inner end, as at 41,130 the head block and, at its outer end, has pivotal connection, as at 42, with the upper endof a lever 43 that is pivotally fixed at its lower end to the base 1. A motor driven shaft 45 extends horizontally through the side frames 3 and 4t within suitable bearings provided in said frames and keyed on this shaft adjacent the outside of the frame a gear wheel 47 provided in its inner surface with a cam slot 48. A lever 49 is pivotally fixed, at its lower end, to the frame, see Figures 1 and 2, and, at its upper end, hasa roller 50 thereon contained within the cam slot 4L8 and a link 51 connects lever 49 and lever 13 so that, as the cam rotates, the head block is reciprocated.

The means for feeding the bottom pieces B from their hopper into the nailing mechanism comprises a pairof reciprocal feed blocks 54: that are slidable in guide grooves 22 formed longitudinally in the stop strips 22 against which the lower end of the stack of pieces B rests. Each of these blocks is equipped with inwardly yieldable latches of the same character as those previously described on the head block which engage with the upper edge of the inner piece B as said blocks move downwardly to cause the piece to be advanced downwardly into the machine. The blocks are reciprocated together by means of levers 56 which have ends pivotally connected thereto, as at 57 and which have a sli'dable and pivotal connection at their outer ends, as at 58, with a cross shaft 59 extended between the side frames 3 and 4. Pivotally connected with each of the'levers 56 are the upper ends of rods 60 which, at their lower ends, have longitudinally extended slots 61 through which the driven shaft 45 extends. Cam wheels 6262 are fixed on the shaft and these have cam slots 62 in which rollers 63 mounted on the lower ends of rods 60 are adapted tov follow as the cams revolve so as to cause the rods to be reciprocated and the feed blocks actuated accordingly.

The parts which actuate the head block 25 and those which actuate the feed blocks 54 are so synchronized that the bottom pieces B are fed into the machine'just in advance of the ends, E, and opposite-side pieces and the latter will then engage with and serve to advance the bottom piece B, as is indicated in dotted lines in Figure 3, into nailing position.

The parts, or mechanism, into which the pieces are advanced and whereby they are held in assembled relation and nailed together are as follows: Formed in the opposite side frames 3 and l in horizontally alined relation .are circular openings 6565 and revolubly fitted in these are the hub portions 66 of circular plates 67-67 which form the opposite ends of a frame in which the pieces maklng up a box are held during the nailing operatlon. The plates are'dlsposed adjacent the lnnerfaces of the side frames and the hub flanges extend outwardly through'the openings and have gear wheels 6868 fixed thereon. A shaft 69 extends transversely between the side frames and this has gear wheels 70-70 fixed on its opposite ends in mesh with the gears 6868 so that the gears; and plates 67 -67 will rotate together and will maintain the same relative position with respect to each other during rotation. The plate 67 has a gear wheel 7 3 fixed coaxially within its hub portion adapted to be driven intermittently by means of a gear fixed on the driven shaft 45, see Figures 1 and 4. The gears are so proportioned that the gear 73 makes'one complete revolution to approximately one half revolution of the gear 7 5 and then remains still while gear 75 completes its revolution.

Fixed on the inner sides of each of the circular plates 67-67 in parallel relation are upper andlower supporting guide rails shown in Figure 3,so that when the cross head '25 which is actuated inwardly during this period of rest of the end plates, it will ad; Vance the ends, sides and bottom pieces of a box into the frame where they will be held in properly'assembled relation for nailing; the

bottom piece B being disposed against the a stop rails 78, the upper and lower sides S and S being disposed respectively against the rails 76 and 77 and the end pieces E against the inner faces of the opposite end plates and within the endsof the side and bottom wall pieces. After the head block has been advanced inwardly to so position the parts of the box and has been withdrawn, the whole structure supporting the box is bodily r0 tated by action of the intermittent gear; rotation being in the direction indicated by the arrow in Figure 1.

The nailing of the parts together is effected during rotation of the box in the following manner: Each of the rails 7 67 7 and 78 is provided with a plurality of holes 84 (See Fig. 8) leading from their outer sides to their inner sides into which nails may be delivered in proper relation for nailing the side and bottom pieces to the ends of the box. Nail delivery tubes 85 lead into these holes at the inner sides of the blocks and the tubes extend outwardly radially with respect to the axis about which the parts rotate, and, during rotation, they pass successively beneath a nail picker, presently described, which operates to deliver a nail into each tube.

Slidably contained in each of the holes 84: and extending outwardly therefrom, are plungers, or hammers, 86 for driving the nails. The several hammers of each set are fixed rigidly, at their outer ends, to cross heads 87- and each cross head is providedcentrally on its outer side with a roller 88 adapted to follow within cam grooves 89 formed within rings 90 fixed about the plates 67- 67 to the end frames. .The cam grooves are of such form, as shown best in Figure 3, that as the plates rotate, the cross heads will be actuated inwardlyasuificient distance that the plungers', or hammers, will drive the nails into the box ends. The nail driving mechanisms for the two ends of the box are identical but'are fed from separate nail supply containers and nail pickers. e

V The nails for the opposite ends of the boxes are contained in a pair of horizontally disposed and parallel drums -95 which are Ill)- .tnin the drums to serve as'scoops for raising the nails up and pouring them into belts whereby they are carried "from the drums to the nail pickers. The belts operate in the longitudinal direction of the drums through their open ends and are carried by means of belt wheels 11 3 mounted at the inner ends of arms 104 that extend from the frame into the drums and about wheels 105 forwardly of the drums carried by a cross shaft 106 thatalso is revolubly supported between the arms 104. Each of the nail carrying belts consists ot pair of parallel wires 107107 s iced apart nst a little more than the diameter of a nail so that when the nails are poured onto the belts incidental to rotation of the drums, some of the nails will be susrpended by their heads, as shown in Figures 5 and 6, between the parallel wires and W111 be carried thereby from the drum and delivered into chutes 108-108 whereby they are fed to the nail pickers.

The means provided for revolving the nail supply drums consists of a belt 110 which op crates about the two drums and about a belt wheel 111 on a horizontal shaft 112, carried by brackets 113-114 mounted on the base 1 and. driven gears 115 and 116 fixed respectively on the shaft- 112 and 45. The belts which deliver the nails to the pickers are driven by means of a belt 118 that operates about a belt 119 on shaft 112 and a belt wheel 119 on the shaft 106.

The-nail pickers whereby nails are delivered one at a time from the chutes 108-108 into the nail delivery tubes 85 as they pass the pickers comprise wheels 120 that are freely revoluble on the ends of a shaft 121 extended between the arms 104. Each wheel is formed with a plurality of equally spaced, laterally bent wings 123 each equipped with. a projecting stud 124 adapted to be engaged by the outer end portion of a nail delivery tube as it passes the wh el to thereby rotate the picker wheel in. such manner that the ving will engage with and pick off one nail from the end of the adjacent chute and will cause the nail to drop into the tube and be delivered into the opening below the ham n'ier inen'iber i 11 position for being driven into the box. Tlnis, as each nail tube passes the picker it causes a nail to be delivered thereinto.

The nails are held in their respective openings 84 by centering balls 125 as shown in Figs. 8 and 9, the balls being contained in horizontal bores 126 and pressed inwardly by springs 127 toward the center of the hole so as to center theend of the nail in the hole but are yieldable outward to permit the nail to be advanced past them by the plunger or han'uner 86. i

After the parts for making a box have been delivered into the nailing mechanism and the latter has been. revolved therein to effect the ailing operation, the rotative movement stops and the box is delivered, from the machine. This is accomplished by the reciprocal action of a push rod 130 that is slidably mounted in a bearing 131 formed centrally in the gear 73, as shown in Figure 4. At its inner end the push rod has a head plate 132 adapted to engage with the end of the box and, at its outer end, has a pin and slot connection, as at 133, with the upper end of a lever 134 that is pivotally fixed, at its lower end, to the base plate 1, as at 135, and is oscillated by means of a link 1% having its outer end pivotally fixed thereto by ajpin 137 and having its inner end fixed by a ball and socket connection 138 with one end of a lever 139 that is pivotally mounted by a belt 140 on the base 1 and has its other end equipped with a stud 141 that operates in a cam groove 142 of a wheel 143 fixed on the drive shaft 45. V I

The parts are so synchronized that the plunger is actuated inwardly immediately when the box stops rotating and it delivers the box endwise through the opening 145 in the plate 67. The plunger is then quickly drawn back and out of the way before the head block moves inwardly to deliver the blanks for the next box.

Since'the side of the frame, or plate, 67' is provided with an opening for the discharge of the boxes which is somewhat larger than the dimensions of the box, it is apparent that provision must be made for supporting the box ends at that side so that they will not fall outwardly through the opening before they are nailed to the side and bottom pieces. This is accomplished by means of slides 146 which are slidably supported from the plate 67 so th t they may be moved into and from the opening as supports for the box ends. These slides are normally disposed in position as shownin Figure 4 so as to support the ends E but are automatically actuated. outwardly upon the initial inward movement of the dicharging push rod 130. The means whereby this is accomplished, as

' sh own best in Figure 4 comprises bell cranks 148 that are fixed pivotally to the base of gear 73 and have arms 149 provided with ball shaped ends 150 seated in a groove 132' formed in. the hub portion of head 132 on. the rod and have other arms 151 connected with the ends of rods 153 that extend transversely of the machine and connect to levers 154 on shafts 155 supported from the rails 7 6, 77 and plate 67 so that the action of the springsyieldably urges the rods to move the slides to open position. However, when the push rod 130 has been moved inwardly to the position as shown in Figure 4, the head 132 contacts with the ballends 150 of arms 149 of bell cranks 14S and this actuates the bell cranks, so as to move the slides into position to hold the ends E in place for nailing.

In order that boxes of different length may be made in the machine, the side frames are supported for adjustment from andtoward each other. The side frame 3 is fixed solidly to the base but the frame 4 is provided with depending lugs 160 projecting through slots in the base plate. Threaded shafts 162 extend transversely below the base and are re'volublymounted at their ends in bearings 163 formed on the base supporting flanges 2. The threaded portions of these shafts extend through the lugs 160 so that rotation of the shafts causes the frame 4 to be moved toward or from frame 3. In order that both shafts may be rotated together, they are equipped with sprocket wheels and sprocket chains 165 extended about the wheels, and the ends of the shafts are extended from the side of the base and are constructed to receive a wrench, or the like,whereby they may be rotated.

In order to permit of this adjustment of the side frames, all connecting shafts between the frames, such as shafts 45, 69, 106, and 153 are of a telescopic character as shown in Fig. 11 and automatically adjustable with the side frame.

Assuming that the machine is so constructed, its operation is as follows:

A supply of end blanks E is placed in each of the hoppers 55, a supply of side blanks Sis moved into the machine for support on rollers 1010 a supply of opposite side blanks S is placed in the guides 18-18 and a supplyof bottomblanks B is placed in guideways 21. Then, as the machinestarts operation, by rotation of, drive shaft 45, cam 47 through connecting link 51, causes oscillation of lever 43 and a resultant inward reciprocal movement of cross head 25 whereby one set of end blanksand opposite side blanks are advanced inwardly. Synchronized with this operation, the levers 56 are oscillated by the rods 60 connected with cams 6262," to feed a bottom blank B downward for advancement by the ends and side blanks. Inward movement of the blanksinto the nailing mechanism where they are held in assembled relation by the rails 7 6-7 7 and 78 is effected by inward movement of the crosshead 25. As the cro'sshead 25 moves outwardly, thenailing mechanism starts to to tate and during rotation thereof,fthe several sets of hammers are actuated inwardly through their connection with cams 89 and the nails driven to fasten the side and bottom blanks to the end blanks. flAfter one com plete revolution, the nailing mechanism comes to rest, in theposition as shown in Figure 3, and-the plunger 130 is actuated inwardly to discharge the box, then the cross head 25 is again actuated inwardly to advance another set of blanks into the machine and the operation is repeated. Having thus described my invention, What I claim as new therein and desired to secure by Letters-Patent, is: H v I 1. In a box making machine, in combination, a plurality of hoppers for containing supplies of box forming, parts, a nailing mechanism comprising a revolubly mounted frame, nail holding means and hammers, 7.

means for advancing the pieces for forming a boxvfrom the several hoppers in assembled relation into the frame of the nailing machine, means for rotating the latter, means operable incidental to such rotation for actuating the hammers to nail the parts together, and means-operable to discharge the box from the frame after nailing.

2. In a box making machine, in combination, a nailing device comprising a frame wherein parts of a box may be held in assembled relation and nailed together, a guide way, a rectangular head block reciprocally movable in said guide way, hoppers arranged 7 above, below and at opposite sides of the path of travel of the headblock for containing the ends and side pieces of boxes, another hopper above the path of travel for contain ing the bottompieces of boxes, dogs on the edges of the head block adapted'on inward movement of the block to engage with and advance end and side pieces from theirhoppers along the guide way into the nailing de vice, and a feed block synchronized with movement of the head block for delivering bottom pieces into the path of travel of the ends and sidesso' as to be advanced thereby and in proper assembled relationtherewith into the nailing device.

3. In a box making machine, in combination, a nailing device comprising a frame wherein the parts of a box may be held in assembled relation and nailed together, a pair of guide shafts, a rectangular headblock slidable on said shafts, hoppers arranged above, below and at opposite sides of the path of movement of the head blockfor containing the ends and sides of boxes, another hopper above the path of the head block for containing bottom pieces of boxes, means on the head block operable, on each inward movement thereof, to engage and advance one set of box forming pieces from the first mentioned hoppers into the nailing machine, a driven shaft, means operated by said shaft in synchronism with the feed block to deliver bottom pieces singly into the path of the head block so that they will be advanced in assembled relation with the side and end pieces into the nailing device, and means on said shaft for/actuating the head block.

4. In a box making machine, in combination,'a frame structure, a plurality of hoppers for containing supplies of bdx forming pieces, a nailing mechanism comprising a revolubly mounted frame, nail holders and ham mers, means for intermittently revolving the frame, a reciprocating head operable by each inward movement to deliver the parts for a box in assembled relation into the revolnble frame while it is at rest, means operable incidental to rotation of the frame for actuating the hammers to drive the nails to secure the parts of the box together, and a reciprocally operable plunger for delivering the box from the frame.

5. In a box making i'naehine, a frame structure, ahead block mounted for horizontal roeiprocation within the frame, hoppers at opposite sides of the frame for containing suppiies of box end pieces adapted to feed toward the path of movement of the head block, a hopper above the path of movementof the head block for containing a supply of box side pieces, a hopper below the path of the head block for containing a supply of the opposite side pieces, ai'iother hopper above the path of travel of the block for box bot-tom pieces, a nailing mechanism, a driven shaft, means connected with the shaft for reciproeating the head block, means operatively coir 'nected with the shaft for feeding bottom pieces from their hopper into the path of travel of the head block, means on said block engageable with box forming end and side pieces to advance them from their hoppers in assembled relation with a bottom piece into the nailing mechanism, and means for actuating the latter to nail the parts togetl'icr and to discharge the box from the machine.

i 6. In a box making machine, a frame, a nailing mechanism, a head block mounted for horizontal reciprocation in said frames into and from the nailing mechanism, hoppers at opposite sides of the path of travel of the head block for containing supplies of box end pieces, stops at the inner ends of said hoppers for supporting the pieces, a hopper above the path of the head block for containing a supply of box sides and a hopper below for containing a supply of the opposite side pieces, means for feeding the latter upwardly as used from the hopper, another hopper above the path of the block for containing a supply of box bottoms, a driving shaft, a feed block operatively connected with the shaft for delivering the said bottoms singly into the path of the head block, means operatively connecting the shaft and head block to recip-' roca'te the latter, yieldable dogs on the head block adapted to en age. ano advance box ends and sides with their bottom piece into the nailing mechanism, means for actuating the latter to nail the parts together, and a plunger operable the machine.

7. in a box making machine, a. nailing to discharge the box from .ing a period of rest of the frame, nailing means carried by the frame and operable in cidental to rotation thereof to nail the box parts together, and a plunger operable to dis charge the box from the frame through the open end thereof.

9. in a box making machine, in combination, a nailing device, means for delivering the forming parts into said nailing device in assembled relation and means for actuating the nailing device to nail the parts together; said nailing device comprising a frame open at one end, means atsaid open end for supporting the adjacent box forming piece prior to its bein nailed, a plunger operable to discharge the finished box through said. open end, and means for removing said supporting means to permit passage of the box.

10. In a box making machine, in combination, a nailing device, means for delivering box forming parts into said nailing device in assembled relation and means for actuating the nailing device to nail the parts together; said nailing device comprising a frame open at one end, means at said open end for supporting the adj acent box forming piece prior to its being nailed, a plunger operable'to discharge the finished box through said open end, and means operated by actuation of the plunger for removing said supporting-means to permit the discharge of the box through said open end.

11. In a box making machine, in combination, a nailing device comprising a frame open at one side and at one end, rails fixed in said frame whereby the'parts of a box may be held in assembled relation, means for delivering box forming pieces through said open side of the frame into said frame in assembled. relation, a pair of adjustable memhers for supporting the end forming piece of a box adjacent the open end of said framev prior toits' being nailed to the other pieces,

a revoluble frame, mechanism for delivering box "forming pieces in assembled relation into said frame, nail holders, a nail supply device, means for feeding nails from said supply device into said holders, hammers for driving the nails, and means for actuating the hammers.

13. In a box making machine, a nailing mechanism comprising an intermittently rotatable frame open at one side, means for containing supplies ofbox forming pieces, means for delivering pieces therefrom in as sembled relation into said frame at the open side, nail holders carried by the nailing mechanism, a nail supply device for delivering nails into said holders, hammers carried by the frame for driving the nails delivered into the holders, means for rotating the frame, and means operableincidental to such rotation for actuating the hammers to drive the nails. i

M. In a box making machine, an intermittently revoluble frame, means in said frame for supporting box forming pieces in assembled relation, means for delivering box forming pieces thereto during its periods of rest, nail holding devices, means for feeding nails to the holders, hammers carried by the frame to drive the nails, a fixed cam encircling the frame, and means connecting the hammers with the cam whereby the latter will be actuated incidental to rotation of the frame.

15. In a box making machine, an intermittently revoluble frame, open at one side and end, rails in said frame for supporting box forming pieces in assembled relation, means for delivering box forming parts thereto during periods of rest of said frame through, the open side thereof, nail holderscarried by said rails, a nail supply, means for delivering nails'from said supply into the holders as they revolve with the frame, hammers carried by the rails for driving said nails, a cam encircling the frame,m eans connecting the a reciprocally movable head block adapted to advance box forming pieces from the su ply hoppers into the nailing frame, rails xed in the frame for supporting the parts of the box in assembled relation during nailing, nail holders in said rails, a nail supply device, means for delivering nails into theholders from the supply device, hammers carried by said rails for driving the nails, fixed cams encircling the frame of the nailing device, cam followers connected With the hammers for actuating the latter incidental to rotation of the frame, a plunger operable in the axial direction of the frame for discharging the boxes therefrom at the end of the nailing operation, and means for synchronously actu-.

ating the, head block,the nailing device and plunger. I

17 In. a box making machine, in combination, a nailing device comprising revolubly supported, opposite end frames, trails fixed, to the inner faces of said frames whereby parts of a box may be held in assembled relation, nail holders in said rails, hammers carried by said rails, gear wheels fixed to said end frames, a cross shaft, gears on said shaft, 1

meshing with the first gears whereby'said end frames are rotated together, a driving gear fixed to one of said frames, a driven shaft, an intermittent gear on? said shaft, adapted to mesh with the driving gear to intermittently rotate the end frames, means operated by said driven shaft for delivering box forming parts into the frames of the nailing device in assembled relation during periods of rest, fixed cams encircling the end frames, cam followers adapted to actuate the hammers to nail the parts together during rotation of the frames, and a plunger operatively connected with the driven shaft and operable in the axis of rotation of the nailing device to discharge the boxes after the nailing operations.

. Signed at Seattle, lVashington, this 26th day of August, 192-6.

GLEN PARKS. 

